EF0330B handheld Doppler can meet routine examination requirement of obstetricians, midwives, and pregnant women. It is a high performance model with FHR digital LCD display. It has three heart rate processing modes:real-time FHR display mode,averaged FHR display mode and manual mode. Both of the models have audio output, and can connect with earphone or recorder with audio input. Sonotrax has a slim, power saving and interchangeable ultrasound probe.

Feature:
■ Easy to use 
■ Accurate FHR detection and LCD display
■ Auto and manual counting
■ Built-in speaker
■ Automatic switch-off
■ Battery energy indication

EF0331B Fetal Doppler is a safe and easy to use device that has been specially designed for use at home, allowing pregnant women to listen to their unborn baby's heart beat, movements and  hiccups from as early as 10 to12 weeks. It is suitable for expectant mother  to carry out regular checks on her baby in between routine hospital checks. It can not only reduce the expectant mother’s anxiety  but also allow other members of the family to listen to the baby heartbeat. This portable device is also suitable for obstetricians, midwives and pregnant women.

It can connect to a computer, CD or Type to record the baby heart sound and share your baby’s heart beat with family and friends via email.

2 AAA size batteries ( alkaline or chargeable) are very convenient to buy. The batteries can last more than 6 hours for continuous use ( depend on capability )